[10.2] Forcing a DPI of 96 in KDE - Suse

This is a discussion on [10.2] Forcing a DPI of 96 in KDE - Suse ; I want to force the X server to use a DPI of 96 (this is for an openSUSE
system inside a virtual machine; I'm not forcing DPI on my real
installation).
I tried to add the "-dpi 96" option to ...